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Synodontis vanderwaali Skelton & White, 1990

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drawing shows typical species in Mochokidae.


Namibia country information

Common names: Finetooth squeaker
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in the Okavango River (Rundu; Mbambi Clinic and Mkena, Kavango), Upper Zambezi River (Kwando River, Caprivi), and Cunene River (below Ruacana Falls).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/wa.html
National Fisheries Authority: http://www.benefit.org.na/
Occurrences: Occurrences Point map
Main Ref: Skelton, P.H. and P.N. White, 1990
National Database:

Common names from other countries

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Mochokidae (Squeakers or upside-down catfishes) > Mochokinae
Etymology: Synodontis: Greek, syn, symphysis = grown together + Greek, odous = teeth (Ref. 45335);  vanderwaali: Named after the collector of the holotype, Ben van der Waal, in recognition of his donations of fish collections from northern Namibina rivers to the J.L.B. Smith Institute and the Albany Museum (Ref. 26674).

Environment: milieu / climate zone / depth range / distribution range Οικολογία

; Γλυκού νερού βενθοπελαγικό.   Tropical

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Africa: (upper) Zambezi, Okavango and Cunene River (Ref. 26674, 120641).

Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 26674)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 1; Μαλακές ραχιαίες ακτίνες (συνολικά) : 6; Σπόνδυλοι: 38 - 39. Diagnosed by having numerous mandibular teeth (25-41); a large number of tertiary premaxillary teeth in several rows across the width of the tooth pad; and a relatively long barbels, the maxillaries without any papillae on the leading edge. Pigment pattern with variable spots which are often drawn out to form a finely vermiculated network (Ref. 26674)

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Oviparous (Ref. 205).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Oviparous (Ref. 205). Distinct pairing during breeding (Ref. 205).

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Skelton, P.H. and P.N. White, 1990. Two new species of Synodontis (Pisces: Siluroidei: Mochokidae) from southern Africa. Ichthyol. Explor. Freshwat. 1(3):277-225. (Ref. 26674)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 01 March 2007

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Food consumptions
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Θηρευτές
Ecology
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Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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Life cycle
Αναπαραγωγή
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Προφίλ υδατοκαλλιεργειών
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Ciguatera cases
Stamps, coins, misc.
References
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Διαδικτυακές πηγές

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00729 - 0.03144), b=2.87 (2.70 - 3.04), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  2.9   ±0.4 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref. 120179):  Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).